15=3x+7+8

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Solution for 15=3x+7+8 equation:


Simplifying
15 = 3x + 7 + 8

Reorder the terms:
15 = 7 + 8 + 3x

Combine like terms: 7 + 8 = 15
15 = 15 + 3x

Add '-15' to each side of the equation.
15 + -15 = 15 + -15 + 3x

Combine like terms: 15 + -15 = 0
0 = 15 + -15 + 3x

Combine like terms: 15 + -15 = 0
0 = 0 + 3x
0 = 3x

Solving
0 = 3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3x' to each side of the equation.
0 + -3x = 3x + -3x
Remove the zero:
-3x = 3x + -3x

Combine like terms: 3x + -3x = 0
-3x = 0

Divide each side by '-3'.
x = 0

Simplifying
x = 0

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